Base | Representation |
---|---|
bin | 110111100101… |
… | …0110000011101 |
3 | 2000211120101000 |
4 | 1233022300131 |
5 | 24430021140 |
6 | 2520340513 |
7 | 502463142 |
oct | 157126035 |
9 | 60746330 |
10 | 29142045 |
11 | 154a4939 |
12 | 9914739 |
13 | 606461a |
14 | 3c283c9 |
15 | 2859a30 |
hex | 1bcac1d |
29142045 has 32 divisors (see below), whose sum is σ = 52214400. Its totient is φ = 15420672.
The previous prime is 29142019. The next prime is 29142049. The reversal of 29142045 is 54024192.
It is not a de Polignac number, because 29142045 - 214 = 29125661 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29142049) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17989 + ... + 19541.
It is an arithmetic number, because the mean of its divisors is an integer number (1631700).
Almost surely, 229142045 is an apocalyptic number.
It is an amenable number.
29142045 is a deficient number, since it is larger than the sum of its proper divisors (23072355).
29142045 is a wasteful number, since it uses less digits than its factorization.
29142045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1706 (or 1700 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 29142045 is about 5398.3372440039. The cubic root of 29142045 is about 307.7324833197.
The spelling of 29142045 in words is "twenty-nine million, one hundred forty-two thousand, forty-five".
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